diff --git a/reference/mongodb/reference.xml b/reference/mongodb/reference.xml
index e21aaf5ccb..37a925c0d4 100644
--- a/reference/mongodb/reference.xml
+++ b/reference/mongodb/reference.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
 
-<reference xml:id="ref.mongodb" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
+<reference xml:id="ref.bson" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
  <title>&Functions;</title>
 
  &reference.mongodb.functions.entities.bson;